/* ============================================================
   关于我们页（/about.html）专属样式 · v5
   仅被 /about.html 引用，不影响其他页面。
   v5：模仿英文站 aboutus 页元素 ——
   ① 公司简介：左图 + 引号文案 + 四项关键数字条
   ② 我们的优势：Why choose us? 编号卡 + 60% 数据框
   ③ 新增第四点「国际权威机构合作」（logo 跑马灯，纯静态）
   ④ 荣誉资质：橄榄枝花环徽章 + 金色高光扫过
   ⑤ 发展历程：竖向时间线（中轴生长 + 左右交替 + 节点脉冲）
   ⑥ 全站 CSS 动效（滚动入场 stagger / 光斑漂移 / 按钮流光等）
   ============================================================ */

/* ---------- 作用域重置（只作用于本页主体，不污染公共头尾） ---------- */
.ab-page{--g:#25a063;--gd:#1c7d4c;--gl:#6ecf9c;--gdh:#129a52;
  --ink:#0f2419;--body:#3f534a;--mut:#6f8378;--line:#e2ece6;
  --soft:#f5f9f7;--tint:#ecf7f0;--err:#d3322b;--errbg:#fff4f3;
  --gold:#c9a44a;--goldl:#d9b566;
  overflow-x:hidden;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  color:var(--body);line-height:1.6;-webkit-font-smoothing:antialiased;
}
.ab-page *,.ab-page *::before,.ab-page *::after{box-sizing:border-box}
.ab-page img{max-width:100%;display:block;height:auto}
.ab-page a{text-decoration:none;color:inherit}
.ab-page p{margin:0}
.ab-page ul,.ab-page ol,.ab-page dl{margin:0;padding:0;list-style:none}
.ab-page h1,.ab-page h2,.ab-page h3,.ab-page h4{margin:0;font-weight:800;line-height:1.25}
.ab-page button{font-family:inherit}

/* ---------- 通用容器 ---------- */
.ab-wrap{width:min(calc(100% - 40px),1240px);margin:0 auto}
/* 模块一屏原则：区块内边距收紧（发展历程除外） */
.ab-sec{padding:clamp(42px,4.6vw,62px) 0;position:relative}
#abHistory{padding:clamp(46px,5vw,72px) 0}
.ab-sec--soft{background:linear-gradient(180deg,#f7fbf9 0%,#f2f8f5 100%)}
.ab-sec--tint{background:var(--tint);overflow:hidden}
.ab-sec--tint::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(760px 380px at 8% 12%,rgba(37,160,99,.10),transparent 60%),
             radial-gradient(680px 360px at 92% 88%,rgba(37,160,99,.08),transparent 60%)}
.ab-sec--tint>*{position:relative;z-index:1}

/* 优势舞台区（v7 参考英文站改浅色系：淡绿渐变背景，阅读更轻松） */
.ab-sec--dark{overflow:hidden;color:var(--body);
  background:radial-gradient(900px 480px at 10% -8%,rgba(46,229,91,.10),transparent 55%),
             radial-gradient(760px 420px at 90% 108%,rgba(1,213,148,.10),transparent 55%),
             linear-gradient(180deg,#f7fcf9 0%,#edf8f1 100%)}
.ab-sec--dark::before{content:"";position:absolute;inset:-10% -20% 0;pointer-events:none;
  background-image:linear-gradient(rgba(37,160,99,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(37,160,99,.055) 1px,transparent 1px);
  background-size:46px 46px;
  transform:perspective(700px) rotateX(28deg) scale(1.5);transform-origin:50% 100%;
  -webkit-mask-image:linear-gradient(180deg,transparent 4%,#000 34%,transparent 92%);
          mask-image:linear-gradient(180deg,transparent 4%,#000 34%,transparent 92%)}
/* 顶部光斑：缓慢漂移动效 */
.ab-sec--dark::after{content:"";position:absolute;left:50%;top:-160px;width:520px;height:520px;
  transform:translateX(-50%);pointer-events:none;border-radius:50%;
  background:radial-gradient(circle,rgba(1,213,148,.13),transparent 65%);
  animation:abOrb 9s ease-in-out infinite alternate}
@keyframes abOrb{
  from{transform:translateX(-50%) translateY(0) scale(1)}
  to{transform:translateX(-50%) translateY(48px) scale(1.12)}
}
.ab-sec--dark>.ab-wrap{position:relative;z-index:2}
.ab-sec--dark .ab-sh h2{color:var(--ink)}
.ab-sec--dark .ab-sh p{color:var(--mut)}
.ab-sec--dark .ab-stag{background:#fff;border-color:#bfe6cd;color:var(--gd)}

/* ---------- 区块标题 ---------- */
.ab-sh{text-align:center;margin-bottom:clamp(22px,2.8vw,38px)}
.ab-stag{display:flex;width:fit-content;margin:0 auto 14px;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(180deg,#eafcf6 0%,#d6f4e7 100%);
  border:1px solid #bfeadb;box-shadow:0 4px 12px rgba(25,120,75,.06);
  color:var(--gd);font-size:clamp(12px,1vw,13.5px);font-weight:800;
  padding:7px 22px;border-radius:100px;
  letter-spacing:2.6px;white-space:nowrap;text-transform:uppercase;
  transition:box-shadow .3s,transform .3s}
.ab-stag:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(25,120,75,.12)}
.ab-sec--tint .ab-stag,.ab-sec--soft .ab-stag{background:#fff}
/* 英文站同款：淡绿底 + 深绿 NGO 标签 */
.ab-sh h2{font-size:clamp(24px,2.9vw,42px);color:var(--ink);letter-spacing:-.5px;display:inline-block}
/* 标题下划线：入场后从左向右展开 */
.ab-motion .ab-sh h2{background-image:linear-gradient(90deg,var(--g),var(--gl));
  background-repeat:no-repeat;background-size:0 3px;background-position:50% 100%;
  padding-bottom:6px;transition:background-size .9s cubic-bezier(.2,.7,.3,1) .35s}
.ab-motion .ab-sh.is-in h2{background-size:min(140px,42%) 3px}
.ab-sh p{margin-top:12px;margin-left:auto;margin-right:auto;max-width:680px;
  font-size:clamp(14px,1.15vw,17px);color:var(--mut);line-height:1.8}

/* ---------- 按钮（含流光动效） ---------- */
.ab-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;
  border:1px solid transparent;border-radius:100px;white-space:nowrap;font-weight:700;
  position:relative;overflow:hidden;
  font-size:clamp(13.5px,1.05vw,15.5px);padding:clamp(11px,1.1vw,15px) clamp(22px,2.2vw,32px);
  transition:transform .25s,box-shadow .25s,background .25s,color .25s,border-color .25s}
.ab-btn svg{width:16px;height:16px;flex:none}
.ab-btn--pri{background:linear-gradient(135deg,var(--gd),var(--g) 55%,var(--gl));color:#fff;
  box-shadow:0 12px 28px rgba(25,140,80,.34),inset 0 1px 0 rgba(255,255,255,.28)}
.ab-btn--pri::after{content:"";position:absolute;top:0;bottom:0;left:-70%;width:44%;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.5),transparent);
  transform:skewX(-20deg);animation:abShine 4.2s ease-in-out infinite}
@keyframes abShine{0%,55%{left:-70%}75%,100%{left:130%}}
.ab-btn--pri:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(25,140,80,.42)}
.ab-btn--gh{background:rgba(7,30,21,.38);color:#fff;border-color:rgba(255,255,255,.55);
  backdrop-filter:blur(4px)}
.ab-btn--gh:hover{background:#fff;color:var(--gd);transform:translateY(-2px)}
.ab-btn--ol{background:#fff;color:var(--gd);border-color:#bfe6cd}
.ab-btn--ol:hover{border-color:var(--g);color:var(--g);transform:translateY(-2px)}
.ab-btn--sm{padding:9px 18px;font-size:13.5px}
/* 提升 a 按钮的颜色优先级（压过 .ab-page a 的 color:inherit） */
.ab-page a.ab-btn--pri,.ab-page a.ab-btn--gh{color:#fff}
.ab-page a.ab-btn--gh:hover{color:var(--gd)}
.ab-page a.ab-btn--ol{color:var(--gd)}
.ab-page a.ab-btn--ol:hover{color:var(--g)}

/* ---------- 滚动入场动效（由 JS 添加 .ab-motion / .is-in） ---------- */
.ab-motion .ab-anim{opacity:0}
/* is-in 后基准态必须回到可见（from-only 关键帧的结束态=基准态） */
.ab-motion .ab-anim.is-in{opacity:1;animation:abUp .65s cubic-bezier(.22,.7,.3,1) backwards}
.ab-motion .ab-anim[data-tilt].is-in{animation-name:abFade}
/* 只定义 from：结束态即元素本态，不劫持 hover 过渡 */
@keyframes abUp{from{opacity:0;transform:translateY(24px)}}
@keyframes abFade{from{opacity:0}}
/* 3D 倾斜统一声明 */
.ab-page [data-tilt]{transform-style:preserve-3d;will-change:transform}

/* ============================================================
   1. HERO（入场逐行浮现 + 徽标呼吸）
   ============================================================ */
.ab-hero{position:relative;overflow:hidden;
  background:#123324 url(/static/theme/uploads/img/aboutbanner.png) center/cover no-repeat}
.ab-hero::before{content:"";position:absolute;inset:0;
  background:linear-gradient(92deg,rgba(6,28,19,.88) 0%,rgba(6,28,19,.74) 26%,rgba(6,28,19,.42) 52%,rgba(6,28,19,.14) 76%,rgba(6,28,19,.06) 100%),
             linear-gradient(180deg,rgba(6,28,19,.30) 0%,rgba(6,28,19,0) 30%,rgba(6,28,19,.34) 100%)}
.ab-hero-in{position:relative;z-index:5;padding-top:clamp(40px,5vw,64px);
  padding-bottom:clamp(46px,5.6vw,72px)}
.ab-hero-tx{max-width:780px}
.ab-hero-tx>*{animation:abUp .7s cubic-bezier(.22,.7,.3,1) backwards}
.ab-hero-tx>*:nth-child(1){animation-delay:.08s}
.ab-hero-tx>*:nth-child(2){animation-delay:.16s}
.ab-hero-tx>*:nth-child(3){animation-delay:.26s}
.ab-hero-tx>*:nth-child(4){animation-delay:.36s}
.ab-hero-tx>*:nth-child(5){animation-delay:.46s}
.ab-hpill{display:inline-flex;align-items:center;gap:9px;background:rgba(37,160,99,.14);
  border:1px solid rgba(110,207,156,.45);border-radius:100px;backdrop-filter:blur(6px);
  padding:6px 16px;font-size:clamp(12px,.95vw,13.5px);font-weight:600;color:#8ce9b2;
  margin-bottom:clamp(12px,1.6vw,18px)}
.ab-hpill i{width:8px;height:8px;border-radius:50%;background:#3ddc84;flex:none;
  animation:abPulse 2.2s ease-in-out infinite}
@keyframes abPulse{
  0%,100%{box-shadow:0 0 0 0 rgba(61,220,132,.45)}
  55%{box-shadow:0 0 0 7px rgba(61,220,132,0)}
}
.ab-hero h1{font-size:clamp(30px,4.2vw,54px);font-weight:900;line-height:1.1;
  letter-spacing:-1.6px;color:#fff;text-shadow:0 6px 40px rgba(0,0,0,.35)}
.ab-hero h1 em{display:inline-block;font-style:normal;font-size:.42em;font-weight:700;
  letter-spacing:2.5px;color:#8ce9b6;margin-left:14px;vertical-align:.28em}
.ab-hero-sub{font-size:clamp(15px,1.6vw,23px);font-weight:800;color:#fff;
  margin-top:clamp(8px,1.1vw,14px);letter-spacing:-.4px}
.ab-hero p.ab-lead{font-size:clamp(13px,1.05vw,15.5px);color:rgba(255,255,255,.82);
  line-height:1.8;max-width:640px;margin-top:10px;
  text-shadow:0 2px 14px rgba(0,0,0,.35)}
.ab-hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:clamp(16px,2vw,26px)}

/* ============================================================
   2. 面包屑
   ============================================================ */
.ab-crumb{background:#fff;border-bottom:1px solid var(--line)}
.ab-crumb-in{display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:14px 0;font-size:13.5px;color:var(--mut)}
.ab-crumb a{color:var(--mut);transition:color .2s}
.ab-crumb a:hover{color:var(--g)}
.ab-crumb .cur{color:var(--ink);font-weight:600}
.ab-crumb .sep{width:14px;height:14px;flex:none;color:#b9c6bf}

/* ============================================================
   3. 公司简介（模仿英文站：左图 + 引号文案 + 关键数字条）
   ============================================================ */
#abIntro{background:#fff;overflow:hidden}
#abIntro::before{content:"ABOUT SKYCO2";position:absolute;left:50%;top:clamp(10px,2vw,26px);
  transform:translateX(-50%);white-space:nowrap;pointer-events:none;
  font-size:clamp(58px,8.6vw,122px);font-weight:900;letter-spacing:.06em;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(25,100,60,.07)}
.ab-intro{position:relative;z-index:1;
  display:grid;grid-template-columns:.88fr 1.12fr;gap:clamp(28px,3.6vw,52px);align-items:center}
/* 左：视频封面图卡 */
.ab-intro-fig{margin:0}
.ab-intro-media{position:relative;border-radius:clamp(16px,1.8vw,22px);overflow:hidden;
  background:#0e2c1e;line-height:0;transform:translateZ(0);
  box-shadow:0 30px 70px rgba(10,44,28,.28),0 10px 24px rgba(10,44,28,.15);
  aspect-ratio:16/10}
.ab-intro-media::before{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(8,32,22,.08) 0%,rgba(8,32,22,.5) 100%)}
.ab-intro-media img{width:100%;height:100%;object-fit:cover;opacity:.96;transition:transform .6s}
.ab-intro-fig:hover .ab-intro-media img{transform:scale(1.045)}
.ab-intro-play{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:10px;color:#fff;cursor:pointer}
.ab-intro-play .ring{width:clamp(50px,4.6vw,62px);height:clamp(50px,4.6vw,62px);border-radius:50%;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.5);
  display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px);
  transition:transform .3s,background .3s;position:relative}
/* 播放键外圈呼吸 */
.ab-intro-play .ring::after{content:"";position:absolute;inset:-6px;border-radius:50%;
  border:1px solid rgba(255,255,255,.4);animation:abRing 2.4s ease-out infinite}
@keyframes abRing{
  0%{transform:scale(.86);opacity:.9}
  70%,100%{transform:scale(1.25);opacity:0}
}
.ab-intro-fig:hover .ab-intro-play .ring{transform:scale(1.07);background:rgba(255,255,255,.28)}
.ab-intro-play .ring svg{width:22px;height:22px;fill:#fff;margin-left:3px}
.ab-intro-play span{font-size:13px;font-weight:600;letter-spacing:1px}
.ab-intro-fig figcaption{padding:14px 6px 0;display:grid;gap:3px}
.ab-intro-fig figcaption b{font-size:clamp(14px,1.15vw,16px);color:var(--ink);font-weight:800}
.ab-intro-fig figcaption span{font-size:clamp(12px,.95vw,13px);color:var(--mut)}
/* 右：引号文案（英文站同款大引号元素） */
.ab-intro-tx{position:relative;padding:0 clamp(6px,1vw,14px)}
.ab-quote{position:absolute;font-family:Georgia,"Times New Roman",serif;font-weight:700;
  font-size:clamp(64px,6.4vw,96px);line-height:1;color:rgba(37,160,99,.16);
  pointer-events:none;user-select:none}
.ab-quote--l{left:-6px;top:clamp(-46px,-3.4vw,-30px)}
.ab-quote--r{right:0;top:clamp(-46px,-3.4vw,-30px)}
.ab-rich{font-size:clamp(14px,1.1vw,16px);line-height:2;color:var(--body);
  padding-top:14px;position:relative}
.ab-rich::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,var(--line),transparent 72%)}
.ab-rich::after{content:"";position:absolute;left:0;top:0;width:64px;height:2px;
  background:linear-gradient(90deg,var(--g),var(--gl))}
.ab-rich p{margin-bottom:13px}
.ab-rich p:last-child{margin-bottom:0}
.ab-rich strong{color:var(--ink);font-weight:700}
.ab-intro-tags{display:flex;flex-wrap:nowrap;align-items:center;gap:clamp(6px,.7vw,10px);
  margin-top:clamp(18px,2.2vw,26px);min-width:0}
.ab-intro-tags span{display:inline-flex;align-items:center;gap:6px;background:#fff;
  border:1px solid var(--line);border-radius:100px;padding:7px clamp(10px,1vw,14px);
  white-space:nowrap;flex:none;
  font-size:clamp(11.5px,.9vw,13px);font-weight:600;color:var(--gd);
  box-shadow:0 3px 10px rgba(25,100,60,.05);transition:transform .25s,box-shadow .25s,border-color .25s}
.ab-intro-tags span:hover{transform:translateY(-2px);border-color:#bfe6cd;
  box-shadow:0 8px 18px rgba(25,100,60,.1)}
.ab-intro-tags span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gl)}

/* 关键数字条（对应英文站 4 组数据）——3D 立体图标 + 全居中 + 高光质感 */
.ab-page .ab-stats{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);
  gap:clamp(12px,1.5vw,18px);margin-top:clamp(26px,3.2vw,44px)}
.ab-stats li{position:relative;overflow:hidden;text-align:center;
  background:linear-gradient(180deg,#ffffff 0%,#eefaf3 100%);
  border:1px solid #c8ecd9;border-radius:clamp(14px,1.6vw,18px);
  padding:clamp(10px,1.1vw,14px) clamp(10px,1.2vw,16px) clamp(8px,1vw,12px);
  box-shadow:0 8px 26px rgba(20,90,50,.07),inset 0 1px 0 rgba(255,255,255,.9);
  transition:transform .35s cubic-bezier(.22,.7,.3,1),box-shadow .35s,border-color .35s}
/* 顶部渐变高光条 */
.ab-stats li::before{content:"";position:absolute;left:14%;right:14%;top:0;height:3px;
  border-radius:0 0 6px 6px;background:linear-gradient(90deg,#2ee55b,#01d594);opacity:.9}
/* 底部柔光 */
.ab-stats li::after{content:"";position:absolute;left:0;right:0;bottom:-46%;height:96px;
  pointer-events:none;opacity:0;transition:opacity .4s;
  background:radial-gradient(50% 100% at 50% 100%,rgba(1,213,148,.18),transparent 72%)}
.ab-stats li:hover{transform:translateY(-6px);border-color:#7fd2ac;
  box-shadow:0 24px 50px rgba(20,90,50,.15),inset 0 1px 0 rgba(255,255,255,.95)}
.ab-stats li:hover::after{opacity:1}
.ab-stats li>*{position:relative;z-index:1}
/* 图标容器（无底框，仅承载图标；反馈后加大） */
.ab-stat-ic{display:flex;align-items:center;justify-content:center;
  width:clamp(62px,6vw,82px);height:clamp(62px,6vw,82px);
  margin:0 auto clamp(4px,.5vw,7px);
  transition:transform .45s cubic-bezier(.22,.7,.3,1)}
.ab-stat-ic img{width:clamp(56px,5.5vw,76px);height:auto;display:block;
  filter:drop-shadow(0 8px 12px rgba(20,90,50,.20))}
.ab-stats li:hover .ab-stat-ic{transform:translateY(-4px) scale(1.07)}
.ab-stats b{display:block;white-space:nowrap;
  font-size:clamp(26px,2.7vw,38px);font-weight:900;line-height:1.05;
  letter-spacing:-1px;font-variant-numeric:tabular-nums;
  background:linear-gradient(160deg,#4fc189 4%,#17955c 52%,#0f7a49 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.ab-stats b i{font-style:normal;font-size:.62em;font-weight:800;margin-left:1px}
.ab-stats li>span:last-child{display:block;margin:clamp(3px,.4vw,6px) auto 0;
  max-width:12em;
  font-size:clamp(12px,.98vw,13.5px);color:#4a6a5a;line-height:1.5;font-weight:600}
@media(min-width:768px){
  .ab-stats li>span:last-child{white-space:nowrap}
}
/* 入场 stagger */
.ab-motion .ab-stats.is-in li{animation:abUp .6s cubic-bezier(.22,.7,.3,1) backwards}
.ab-motion .ab-stats.is-in li:nth-child(2){animation-delay:.08s}
.ab-motion .ab-stats.is-in li:nth-child(3){animation-delay:.16s}
.ab-motion .ab-stats.is-in li:nth-child(4){animation-delay:.24s}
.ab-motion .ab-stats:not(.is-in) li{opacity:0}

/* ============================================================
   4. 我们的优势（Why choose us? 编号卡 + 60% 数据框 + 机构合作跑马灯）
   ============================================================ */
#abAdv{padding:clamp(24px,2.8vw,34px) 0}
#abAdv .ab-sh{margin-bottom:clamp(12px,1.6vw,18px)}
#abAdv .ab-sh p{margin-top:8px}
/* 不规则布局：01 特性卡通栏 / 02 窄卡（列表竖排、配图矮）/ 03 宽卡（数据三项横排）/ 04 机构合作通栏 */
.ab-why{display:grid;grid-template-columns:.82fr 1.18fr;
  gap:clamp(12px,1.5vw,18px)}
.ab-why-feat{grid-column:1/-1}
.ab-why-partner{grid-column:1/-1}
.ab-why-feat,.ab-why-card,.ab-why-partner{position:relative;
  min-width:0;overflow:hidden;
  background:linear-gradient(to bottom,#e4f9f66b 0%,#96ecd5 100%);
  border:1px solid #c8ecd9;border-radius:clamp(16px,1.8vw,22px);
  padding:clamp(16px,1.6vw,22px) clamp(18px,1.9vw,26px);
  display:flex;flex-direction:column;
  box-shadow:0 10px 30px rgba(20,90,50,.07),inset 0 1px 0 rgba(255,255,255,.9);
  transition:box-shadow .35s,border-color .35s}
.ab-why-feat:hover,.ab-why-card:hover,.ab-why-partner:hover{border-color:#7fd2ac;
  box-shadow:0 28px 58px rgba(20,90,50,.15),inset 0 1px 0 rgba(255,255,255,.95)}
/* 01 特性卡：英文站 i3Warp1 同款白底（页面白底 + 亮绿渐变图框） */
.ab-why-feat{background:linear-gradient(180deg,#ffffff 0%,#f4fcf8 100%);
  border-color:#d8efe2}
/* 01 特性卡内部：左文右图 */
.ab-why-feat{display:grid;grid-template-columns:1.02fr .98fr;
  gap:clamp(16px,2vw,28px);align-items:stretch}
.ab-why-ftx{display:flex;flex-direction:column;min-width:0}
/* 配图区：英文站同款绿色描边（加粗），与左列等高、宽度略窄，底部白色渐进淡化 */
.ab-why-fimg{position:relative;min-width:0;align-self:stretch;
  width:min(100%,89%);margin-left:auto;
  border-radius:clamp(14px,1.6vw,20px);overflow:hidden;line-height:0;
  border:5px solid #2ee55b;
  background:linear-gradient(180deg,#0c2b1e 0%,#0c2b1e 46%,#ffffff 100%);
  box-shadow:0 10px 26px rgba(15,120,70,.18)}
.ab-why-fimg img{position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;display:block;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,#000 44%,rgba(0,0,0,.55) 68%,rgba(0,0,0,.18) 86%,transparent 100%);
  mask-image:linear-gradient(180deg,#000 0%,#000 44%,rgba(0,0,0,.55) 68%,rgba(0,0,0,.18) 86%,transparent 100%)}
/* 编号：英文站同款青绿手写笔刷数字（numb-1~4.png） */
.ab-why-head{position:relative;z-index:1;display:flex;align-items:center;
  gap:clamp(10px,1.2vw,16px);margin-bottom:clamp(8px,1vw,12px);min-width:0}
.ab-page .ab-why-numb{height:clamp(28px,2.8vw,42px);width:auto;flex:none;
  filter:drop-shadow(0 3px 8px rgba(0,180,135,.35))}
.ab-why-feat h3,.ab-why-card h3,.ab-why-partner h3{
  position:relative;z-index:1;letter-spacing:.2px;font-weight:800;
  font-size:clamp(16px,1.3vw,19px);color:var(--ink);margin:0}
.ab-why-feat h3{font-size:clamp(17px,1.5vw,22px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ab-why-card h3{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* 02/03 卡右上角定制 icon 水印（盾牌/层叠数据/客户群体/证书徽章） */
.ab-why-card::after,.ab-why-partner::after{content:"";position:absolute;right:clamp(14px,1.6vw,22px);
  top:clamp(12px,1.4vw,18px);width:clamp(46px,4.4vw,62px);height:clamp(46px,4.4vw,62px);
  background:center/contain no-repeat;opacity:.32;pointer-events:none;z-index:0;
  transition:opacity .3s,transform .3s}
.ab-why-card--1::after{background-image:url(/static/theme/images/icons/about-ic-2.svg)}
.ab-why-card--2::after{background-image:url(/static/theme/images/icons/about-ic-3.svg)}
.ab-why-partner::after{background-image:url(/static/theme/images/icons/about-ic-4.svg)}
.ab-why-card:hover::after,.ab-why-partner:hover::after{opacity:.9;transform:scale(1.06)}
/* 02/03 卡底部配图：透明 PNG 直接贴卡片渐变底，无边框无底色 */
.ab-why-cimg{position:relative;margin-top:clamp(10px,1.2vw,16px);
  flex:1 1 auto;min-height:clamp(108px,10.5vw,140px);line-height:0}
.ab-why-cimg img{position:absolute;inset:0;width:100%;height:100%;
  object-fit:contain;object-position:center bottom;display:block;
  transition:transform .5s}
/* 02/03 卡整体再紧凑（反馈：内容间距小一点）——只压 2/3 卡，01/04 不动 */
.ab-why-card{padding:clamp(13px,1.3vw,18px) clamp(15px,1.6vw,22px)}
.ab-why-card .ab-why-head{margin-bottom:clamp(6px,.8vw,10px)}
.ab-why-card .ab-why-cimg{margin-top:clamp(6px,.8vw,10px)}
.ab-why-card .ab-adv-list{gap:4px 16px}
.ab-why-card .ab-adv-list li{line-height:1.5}
.ab-why-card .ab-adv-list li.is-group{margin-top:3px;padding-top:5px}
/* 02 卡：窄列 + 列表竖排 + 配图为裁剪后的宽条（contain 居中不裁切） */
.ab-why-card--1 .ab-adv-list{grid-template-columns:1fr;gap:4px}
.ab-why-card--1 .ab-why-cimg{min-height:clamp(64px,6.2vw,86px)}
.ab-why-card--1 .ab-why-cimg img{object-position:center bottom;transition:none}
/* 03 卡：宽列，每组下的数据项横向一行排布（压低整体高度）；
   配图为英文站例图构图的样机图（自带倾斜+裁切+悬浮卡），cover 顶部对齐展示 */
.ab-why-card--2 .ab-adv-list{grid-template-columns:repeat(3,1fr);gap:4px 12px}
.ab-why-card--2 .ab-why-cimg{min-height:clamp(124px,11.8vw,164px);
  margin-top:clamp(4px,.5vw,8px);overflow:hidden;
  border-radius:clamp(10px,1.2vw,14px)}
.ab-why-card--2 .ab-why-cimg img{object-fit:cover;object-position:center top}
.ab-why-card:hover .ab-why-cimg img{transform:scale(1.04)}
.ab-adv-list{position:relative;z-index:1;text-align:left;
  display:grid;grid-template-columns:1fr 1fr;gap:6px 18px}
/* 01 卡列表与 L5 数据框之间拉开距离（反馈：黑框与上方文字太近） */
.ab-why-feat .ab-adv-list{margin-bottom:clamp(18px,2.2vw,28px)}
/* 分组小标题独占整行 */
.ab-adv-list li{grid-column:1/-1;display:flex;gap:8px;align-items:flex-start;
  font-size:clamp(12.5px,1vw,14px);line-height:1.55;color:#3d5c4c}
.ab-adv-list li:not(.is-group){grid-column:auto;break-inside:avoid}
.ab-adv-list li::before{content:"";flex:none;width:5px;height:5px;border-radius:50%;
  background:var(--g);margin-top:.6em;box-shadow:0 0 6px rgba(37,160,99,.45)}
.ab-adv-list li.is-group{font-weight:800;color:#147a4b;margin-top:5px;
  padding-top:7px;border-top:1px dashed rgba(37,160,99,.3)}
.ab-adv-list li.is-group:first-child{margin-top:0;padding-top:0;border-top:0}
/* 01 底部 60% 数据框（英文站 i3Box1 元素） */
.ab-why-callout{margin-top:clamp(12px,1.4vw,18px)}
/* 英文站 i3Box1 同款：深色半透明底 + 主色描边 + 白字（浅绿卡上清晰醒目） */
.ab-why-callout>span.ab-why-big{display:inline-block;font-size:clamp(36px,3.6vw,54px);
  font-weight:900;line-height:1;letter-spacing:-1.5px;white-space:nowrap;color:#fff;
  text-shadow:0 3px 14px rgba(0,0,0,.4);
  animation:abBig 3.2s ease-in-out infinite}
@keyframes abBig{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.ab-why-callout .ab-why-big i{font-style:normal;font-size:.62em}
.ab-why-callout{position:relative;z-index:1;display:flex;align-items:center;gap:clamp(12px,1.5vw,18px);
  background:rgba(31,31,45,.73);
  border:3px solid #25e266;border-radius:clamp(12px,1.4vw,16px);
  box-shadow:0 10px 26px rgba(15,35,25,.22);
  padding:clamp(12px,1.4vw,16px) clamp(40px,4.5vw,68px) clamp(12px,1.4vw,16px) clamp(14px,1.6vw,20px);
  margin-top:auto;padding-top:clamp(12px,1.4vw,16px)}
.ab-why-callout p{font-size:clamp(11.5px,.92vw,13.5px);line-height:1.65;
  color:rgba(255,255,255,.94);max-width:34em}
/* 英文站同款大鼠标：贴框右下角、大幅压边溢出到框外（cursor.png） */
.ab-why-cursor{position:absolute;right:clamp(-34px,-2.6vw,-22px);bottom:clamp(-40px,-3vw,-26px);
  width:clamp(92px,8.6vw,128px);height:clamp(88px,8.2vw,122px);
  background:url(/static/theme/images/icons/cursor.png) center/contain no-repeat;
  filter:drop-shadow(0 8px 18px rgba(0,60,35,.4));
  pointer-events:none;z-index:3;animation:abCur 2.6s ease-in-out infinite}
@keyframes abCur{0%,100%{transform:translate(0,0)}50%{transform:translate(5px,-5px)}}
/* 04 机构合作（英文站 i3Box 同款米白块 #f8faf0） */
.ab-why-partner{background:linear-gradient(180deg,#fbfef5 0%,#eff7e6 100%);
  border-color:#d7e8c6}
.ab-why-ptx{position:relative;z-index:1;max-width:none}
.ab-why-ptx p{font-size:clamp(12px,.98vw,14px);line-height:1.8;color:#4d6b58}
@media(min-width:993px){
  .ab-why-ptx p{white-space:nowrap}
}
/* logo 跑马灯（英文站 i3Slide 元素的 CSS 实现） */
.ab-marquee{margin-top:clamp(14px,1.6vw,20px);overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.ab-marquee-track{display:flex;width:max-content;
  animation:abSlide 30s linear infinite}
.ab-marquee:hover .ab-marquee-track{animation-play-state:paused}
@keyframes abSlide{to{transform:translateX(-50%)}}
.ab-plogos{display:flex;align-items:center;gap:clamp(34px,4vw,58px);
  padding-right:clamp(34px,4vw,58px);flex:none}
.ab-plogos li{flex:none;display:flex;align-items:center}
.ab-plogos img{height:clamp(26px,2.6vw,36px);width:auto;max-width:160px;object-fit:contain;
  opacity:.86;
  transition:opacity .3s,transform .3s}
.ab-plogos li:hover img{opacity:1;transform:translateY(-3px) scale(1.05)}
/* 鼠标跟随高光（沿用优势卡，浅色版） */
.ab-adv-glare{position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;
  z-index:0;transition:opacity .35s;
  background:radial-gradient(420px circle at var(--gx,50%) var(--gy,50%),
    rgba(255,255,255,.65),transparent 48%)}
.ab-why-feat:hover .ab-adv-glare,.ab-why-card:hover .ab-adv-glare,
.ab-why-partner:hover .ab-adv-glare{opacity:1}

/* ============================================================
   5. 产品模式（图片融入页面，无任何边框；v6 放大更易读）
   ============================================================ */
.ab-model{max-width:940px;margin:0 auto}
.ab-model img{width:100%;border-radius:clamp(8px,1vw,14px)}

/* ============================================================
   6. 荣誉资质（金饰线 + 淡金光晕 + 金色机构栏，无装饰图形）
   ============================================================ */
.ab-honor{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(12px,1.5vw,18px)}
.ab-honor-item{position:relative;overflow:hidden;text-align:center;
  background:
    radial-gradient(130% 62% at 50% 0%,rgba(217,181,102,.13),transparent 62%),
    linear-gradient(180deg,#fffef9 0%,#ffffff 52%,#f6faf7 100%);
  border:1px solid #e6edde;border-radius:14px;
  padding:clamp(17px,1.8vw,24px) clamp(12px,1.3vw,18px) clamp(14px,1.5vw,19px);
  transition:transform .28s,box-shadow .28s,border-color .28s}
/* 顶部金色饰线 */
.ab-honor-item::before{content:"";position:absolute;top:-1px;left:50%;
  transform:translateX(-50%);width:52%;height:3.5px;border-radius:0 0 5px 5px;
  background:linear-gradient(90deg,rgba(217,181,102,0),#d9b566 24%,#f3d78a 50%,#d9b566 76%,rgba(217,181,102,0))}
.ab-honor-item:hover{transform:translateY(-4px);border-color:#d9b566;
  box-shadow:0 18px 40px rgba(120,90,20,.15),0 6px 16px rgba(25,100,60,.10)}
/* 金色高光扫过 */
.ab-honor-item::after{content:"";position:absolute;top:0;left:-85%;width:55%;height:100%;
  background:linear-gradient(105deg,transparent,rgba(217,181,102,.20),transparent);
  transform:skewX(-18deg);transition:left .65s ease;pointer-events:none}
.ab-honor-item:hover::after{left:130%}
/* 入场 stagger（JS 在网格上加 .is-in） */
.ab-motion .ab-honor:not(.is-in) .ab-honor-item{opacity:0}
.ab-motion .ab-honor.is-in .ab-honor-item{animation:abPop .55s cubic-bezier(.22,.7,.3,1) backwards}
.ab-motion .ab-honor.is-in .ab-honor-item:nth-child(1){animation-delay:.02s}
.ab-motion .ab-honor.is-in .ab-honor-item:nth-child(2){animation-delay:.07s}
.ab-motion .ab-honor.is-in .ab-honor-item:nth-child(3){animation-delay:.12s}
.ab-motion .ab-honor.is-in .ab-honor-item:nth-child(4){animation-delay:.17s}
.ab-motion .ab-honor.is-in .ab-honor-item:nth-child(5){animation-delay:.22s}
.ab-motion .ab-honor.is-in .ab-honor-item:nth-child(6){animation-delay:.27s}
.ab-motion .ab-honor.is-in .ab-honor-item:nth-child(7){animation-delay:.32s}
.ab-motion .ab-honor.is-in .ab-honor-item:nth-child(8){animation-delay:.37s}
.ab-motion .ab-honor.is-in .ab-honor-item:nth-child(n+9){animation-delay:.42s}
@keyframes abPop{from{opacity:0;transform:translateY(18px) scale(.96)}}
/* 后台数据存在空标题条目，空 h3 隐藏避免观感异常 */
.ab-honor-item h3:empty{display:none}
.ab-honor-item p:empty{display:none}
.ab-honor-item h3{position:relative;z-index:1;
  font-size:clamp(13px,1vw,14.5px);font-weight:800;color:#175c39;
  line-height:1.6;margin-bottom:9px;letter-spacing:.2px;text-align:center}
.ab-honor-item h3:not(:empty)+p{border-top:1px dashed #e7d9ae;padding-top:10px;margin-top:0}
.ab-honor-item p{position:relative;z-index:1;
  font-size:clamp(11.5px,.9vw,13px);color:#8a6a1f;line-height:1.7}
.ab-honor-item.is-hidden{display:none}
.ab-honor-more{display:flex;justify-content:center;margin-top:clamp(20px,2.4vw,30px)}
.ab-more{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--gd);
  border:1px solid #bfe6cd;border-radius:100px;font-weight:700;cursor:pointer;
  font-size:clamp(13px,1.05vw,15px);padding:11px 28px;transition:all .25s;
  box-shadow:0 6px 18px rgba(25,100,60,.08)}
.ab-more:hover{background:var(--g);color:#fff;border-color:var(--g);transform:translateY(-2px)}
.ab-more svg{width:14px;height:14px;transition:transform .3s}
.ab-more.is-open svg{transform:rotate(180deg)}
.ab-page a.ab-more{color:var(--gd)}
.ab-page a.ab-more:hover{color:#fff}

/* ============================================================
   7. 发展历程（竖向紧凑时间线：左图右文 + 中轴生长 + 节点脉冲）
   ============================================================ */
/* 「十余年」渐变强调 + 笔刷高亮衬底（发展历程标题美化） */
#abHistory .ab-sh h2 .ab-ten{position:relative;z-index:0;display:inline-block;
  padding:0 clamp(2px,.3vw,5px);
  background:linear-gradient(120deg,#2ee55b 0%,#01b877 55%,#0f8f52 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
#abHistory .ab-sh h2 .ab-ten::before{content:"";position:absolute;z-index:-1;
  left:-3%;right:-3%;bottom:2px;height:.42em;border-radius:6px;
  background:linear-gradient(90deg,rgba(46,229,91,.20),rgba(1,213,148,.30));
  transform:skewX(-10deg)}
/* 时间线区副标题：块级居中，两侧渐隐装饰线 */
#abHistory .ab-sh p{display:flex;align-items:center;justify-content:center;gap:10px;
  margin-top:12px}
#abHistory .ab-sh p::before,#abHistory .ab-sh p::after{content:"";width:34px;height:1px;
  background:linear-gradient(90deg,transparent,#8fd7b2);flex:none}
#abHistory .ab-sh p::after{background:linear-gradient(90deg,#8fd7b2,transparent)}
.ab-tl{position:relative;max-width:1040px;margin:0 auto;padding:clamp(8px,1vw,14px) 0}
/* 中轴：发光渐变脊线（入场后自上而下生长） */
.ab-tl::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:3px;margin-left:-1.5px;
  border-radius:3px;
  background:linear-gradient(180deg,transparent,var(--g) 3.5%,var(--gl) 50%,var(--g) 96.5%,transparent);
  box-shadow:0 0 14px rgba(46,229,91,.32)}
.ab-motion .ab-tl::before{transform:scaleY(0);transform-origin:top}
.ab-motion .ab-tl.is-in::before{animation:abGrow 1.5s cubic-bezier(.25,.7,.3,1) forwards}
@keyframes abGrow{to{transform:scaleY(1)}}
/* 流动光点：沿脊线自上而下循环扫过（科技感） */
.ab-tl::after{content:"";position:absolute;left:50%;top:0;bottom:0;width:3px;margin-left:-1.5px;
  border-radius:3px;pointer-events:none;
  background:linear-gradient(180deg,transparent 0%,rgba(190,255,220,.95) 50%,transparent 100%);
  background-size:100% 110px;background-repeat:no-repeat;
  filter:drop-shadow(0 0 7px rgba(46,229,91,.9));
  animation:abFlow 3.4s linear infinite}
@keyframes abFlow{0%{background-position:0 -120px}100%{background-position:0 calc(100% + 120px)}}
/* 每个时间段一行：左图（贴轴）+ 右文 */
.ab-tl-item{position:relative;display:grid;grid-template-columns:1fr 1fr;
  gap:clamp(30px,3.6vw,58px);align-items:start;
  padding-bottom:clamp(24px,2.8vw,38px)}
.ab-tl-media{justify-self:end;width:100%;max-width:460px;position:relative;
  border-radius:clamp(10px,1.2vw,14px);overflow:hidden;line-height:0;
  box-shadow:0 10px 30px rgba(20,90,50,.14);background:#f6faf7}
.ab-tl-media img{width:100%;height:auto;max-height:clamp(150px,15vw,210px);object-fit:contain;
  display:block;transition:transform .5s}
.ab-tl-item:hover .ab-tl-media img{transform:scale(1.03)}
/* 媒体框四角科技括角 */
.ab-tl-media::before,.ab-tl-media::after{content:"";position:absolute;z-index:2;
  width:24px;height:24px;pointer-events:none}
.ab-tl-media::before{left:9px;top:9px;border-left:2.5px solid var(--g);
  border-top:2.5px solid var(--g);border-top-left-radius:9px}
.ab-tl-media::after{right:9px;bottom:9px;border-right:2.5px solid var(--g);
  border-bottom:2.5px solid var(--g);border-bottom-right-radius:9px}
/* 轴线节点：发光菱形（对齐年份徽章） */
.ab-tl-item::before{content:"";position:absolute;left:50%;top:15px;z-index:2;
  width:12px;height:12px;border-radius:3px;background:#fff;border:3px solid var(--g);
  transform:translateX(-50%) rotate(45deg);
  box-shadow:0 0 0 4px rgba(37,160,99,.14),0 0 16px rgba(46,229,91,.55)}
/* 节点脉冲光环（菱形扩散） */
.ab-tl-item::after{content:"";position:absolute;left:50%;top:15px;z-index:1;
  width:20px;height:20px;border-radius:4px;pointer-events:none;
  border:2px solid rgba(37,160,99,.4);transform:translateX(-50%) rotate(45deg);
  animation:abNode 2.6s ease-out infinite}
@keyframes abNode{
  0%{transform:translateX(-50%) rotate(45deg) scale(.6);opacity:.9}
  70%,100%{transform:translateX(-50%) rotate(45deg) scale(1.6);opacity:0}
}
.ab-motion .ab-tl:not(.is-in) .ab-tl-item{opacity:0}
.ab-motion .ab-tl.is-in .ab-tl-item{animation:abTlL .65s cubic-bezier(.22,.7,.3,1) backwards}
.ab-motion .ab-tl.is-in .ab-tl-item:nth-child(1){animation-delay:.1s}
.ab-motion .ab-tl.is-in .ab-tl-item:nth-child(2){animation-delay:.2s}
.ab-motion .ab-tl.is-in .ab-tl-item:nth-child(3){animation-delay:.3s}
.ab-motion .ab-tl.is-in .ab-tl-item:nth-child(4){animation-delay:.4s}
.ab-motion .ab-tl.is-in .ab-tl-item:nth-child(5){animation-delay:.5s}
.ab-motion .ab-tl.is-in .ab-tl-item:nth-child(6){animation-delay:.6s}
.ab-motion .ab-tl.is-in .ab-tl-item:nth-child(7){animation-delay:.7s}
@keyframes abTlL{from{opacity:0;transform:translateX(-30px)}}
/* 右侧：渐变年份胶囊 + 玻璃卡描述（科技感） */
.ab-tl-info{min-width:0;padding-top:2px}
.ab-tl-year{display:inline-block;white-space:nowrap;position:relative;
  font-size:clamp(15px,1.25vw,18px);font-weight:800;
  line-height:1;color:#fff;letter-spacing:.5px;
  background:linear-gradient(135deg,#0fa05a 0%,#01b877 58%,#0f8f52 100%);
  border-radius:9px;padding:8px 17px;font-variant-numeric:tabular-nums;
  box-shadow:0 6px 18px rgba(1,150,90,.30),inset 0 1px 0 rgba(255,255,255,.35);
  transition:box-shadow .25s,transform .25s}
.ab-tl-year::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,rgba(255,255,255,.55),rgba(255,255,255,.06))}
.ab-tl-item:hover .ab-tl-year{transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(1,150,90,.38),inset 0 1px 0 rgba(255,255,255,.35)}
.ab-tl-desc{margin-top:clamp(10px,1.1vw,14px);font-size:clamp(12.5px,1.02vw,14.5px);
  line-height:1.75;color:var(--body);position:relative;
  background:rgba(255,255,255,.75);border:1px solid #e3f0e8;
  border-radius:12px;padding:clamp(11px,1.2vw,15px) clamp(14px,1.5vw,19px);
  backdrop-filter:blur(3px);
  box-shadow:0 8px 22px rgba(20,90,50,.06)}
/* 描述卡左侧渐变竖条 */
.ab-tl-desc::before{content:"";position:absolute;left:-1px;top:12%;bottom:12%;width:3.5px;
  border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,var(--g),var(--gl))}

/* ============================================================
   8. 联系我们（上：信息卡 + 表单；下：整行大地图）—— 一屏原则压缩
   ============================================================ */
#abContact{padding:clamp(34px,3.6vw,46px) 0}
#abContact .ab-sh{margin-bottom:clamp(16px,2vw,26px)}
#abContact .ab-sh p{margin-top:8px}
.ab-contact{display:grid;grid-template-columns:.82fr 1.18fr;gap:clamp(22px,3vw,46px);align-items:start}
.ab-ci{display:grid;gap:clamp(14px,1.6vw,20px)}
.ab-ci-card{background:linear-gradient(170deg,#ffffff 0%,#f3faf6 100%);
  border:1px solid var(--line);border-radius:clamp(16px,2vw,22px);
  padding:clamp(22px,2.6vw,32px);transition:box-shadow .3s,border-color .3s;
  box-shadow:0 6px 18px rgba(20,90,50,.05)}
.ab-ci-card:hover{border-color:#bfe6cd;box-shadow:0 18px 44px rgba(25,100,60,.11)}
.ab-ci-card h3{font-size:clamp(17px,1.4vw,21px);color:var(--ink);margin-bottom:10px}
.ab-ci-line{width:42px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--g),var(--gl));margin-bottom:18px}
.ab-ci-list{display:grid;gap:14px}
.ab-ci-list li{display:flex;gap:12px;align-items:flex-start}
.ab-ci-list .ic{flex:none;width:34px;height:34px;border-radius:10px;background:var(--tint);
  border:1px solid #cdeed9;display:flex;align-items:center;justify-content:center;color:var(--g)}
.ab-ci-list .ic svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.9}
.ab-ci-list .tx{min-width:0}
.ab-ci-list .lb{display:block;font-size:11.5px;color:var(--mut);letter-spacing:.5px}
.ab-ci-list .vl{display:block;font-size:clamp(13px,1.05vw,15px);color:var(--ink);
  font-weight:600;word-break:break-word;line-height:1.6}
.ab-ci-list a.vl:hover{color:var(--g)}
.ab-wx{display:flex;align-items:center;gap:14px;padding-top:16px;margin-top:16px;
  border-top:1px dashed #dcebe3}
.ab-wx img{width:clamp(78px,7.4vw,96px);border-radius:10px;border:1px solid var(--line);flex:none}
.ab-wx .t b{display:block;font-size:clamp(13px,1.05vw,15px);color:var(--ink)}
.ab-wx .t span{display:block;font-size:12px;color:var(--mut);margin-top:4px;line-height:1.6}

/* 整行大地图：整幅展示，限高保证联系区一屏内 */
.ab-map{position:relative;margin-top:clamp(12px,1.4vw,18px);border-radius:clamp(14px,1.8vw,20px);
  overflow:hidden;background:#fff;border:1px solid var(--line);line-height:0;
  box-shadow:0 10px 30px rgba(20,90,50,.10)}
.ab-map img{width:100%;height:clamp(160px,14vw,200px);object-fit:cover;object-position:center;display:block}

/* 右侧表单（与 /consult.html 同风格） */
.ab-fc{background:#fff;border-radius:18px;
  box-shadow:0 6px 18px rgba(20,50,35,.06),0 24px 60px rgba(15,36,64,.13);
  padding:clamp(18px,2.1vw,26px);position:relative}
.ab-fc::before{content:"";position:absolute;top:0;left:28px;right:28px;height:4px;
  border-radius:0 0 6px 6px;background:linear-gradient(90deg,var(--g),var(--gl))}
.ab-fc h2{margin:0 0 4px;font-size:clamp(17px,1.6vw,21px);color:var(--ink)}
.ab-fc .ab-fc-sub{margin:0 0 clamp(12px,1.4vw,16px);font-size:12.5px;color:var(--mut)}
.ab-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ab-field{margin-bottom:8px;display:flex;flex-direction:column}
.ab-field label{display:block;font-size:12.5px;font-weight:700;color:#22303f;margin-bottom:4px}
.ab-field label i{color:#e5484d;font-style:normal;margin-right:2px}
.ab-field input,.ab-field textarea{width:100%;border:1.5px solid #e4eaf0;border-radius:12px;
  padding:8px 12px;font-size:13.5px;font-family:inherit;color:#22303f;background:#f7f9fb;
  transition:border-color .2s,background .2s,box-shadow .2s;outline:none}
.ab-field input::placeholder,.ab-field textarea::placeholder{color:#aab4c0}
.ab-field input:hover,.ab-field textarea:hover{border-color:#c8d4e0;background:#fff}
.ab-field input:focus,.ab-field textarea:focus{border-color:var(--g);background:#fff;
  box-shadow:0 0 0 4px rgba(37,160,99,.12)}
.ab-field textarea{resize:vertical;min-height:56px}
.ab-field .ab-error{display:none;color:var(--err);font-size:12px;margin-top:5px;line-height:1.5}
.ab-field.is-invalid .ab-error{display:block}
.ab-field.is-invalid input,.ab-field.is-invalid textarea{border-color:#d94d45;background:#fff7f6}
.ab-field.is-invalid input:focus,.ab-field.is-invalid textarea:focus{box-shadow:0 0 0 4px rgba(217,77,69,.14)}

.ab-submit{width:100%;border:none;cursor:pointer;background:linear-gradient(135deg,var(--gd),var(--g));
  color:#fff;font-size:14.5px;font-weight:700;padding:clamp(9px,1vw,12px);border-radius:12px;
  letter-spacing:2px;display:flex;align-items:center;justify-content:center;gap:8px;
  transition:all .25s;box-shadow:0 10px 22px rgba(25,160,99,.3);margin-top:2px}
.ab-submit:hover{background:linear-gradient(135deg,#ff7a1a,#ff9500);
  box-shadow:0 14px 28px rgba(255,122,26,.4);transform:translateY(-2px)}
.ab-submit:disabled{opacity:.72;cursor:not-allowed;transform:none;background:linear-gradient(135deg,var(--gd),var(--g))}
.ab-note{font-size:12px;color:#9aa7b5;text-align:center;margin:7px 0 0}
.ab-notice{display:none;margin-top:10px;border-radius:8px;padding:9px 12px;
  font-size:12.5px;line-height:1.6}
.ab-notice.is-show{display:block}
.ab-notice.is-error{background:var(--errbg);color:#b83b2d;border:1px solid #f6cfcb}

/* 提交成功态 */
.ab-done{display:none;text-align:center;padding:clamp(38px,5vw,58px) 12px}
.ab-done.is-show{display:block}
.ab-done-ok{width:clamp(58px,5.2vw,68px);height:clamp(58px,5.2vw,68px);display:grid;place-items:center;
  border-radius:50%;background:#e4f5ea;color:#168b58;margin:0 auto clamp(14px,1.6vw,20px)}
.ab-done-ok svg{width:34px;height:34px}
.ab-done h2{font-size:clamp(19px,1.9vw,24px);margin:0 0 10px;color:#19372b}
.ab-done p{max-width:440px;margin:0 auto;color:#6a7b70;font-size:clamp(13px,1.05vw,14.5px);line-height:1.85}
.ab-done-meta{display:inline-flex;align-items:center;gap:8px;margin-top:18px;background:#f2fbf6;
  border:1px solid #cdeed9;border-radius:100px;padding:8px 18px;font-size:13px;color:var(--gd);font-weight:700}
.ab-done-back{margin-top:clamp(20px,2.4vw,28px)}

/* 视频弹窗（layer 弹层挂在 body 下，不能带 .ab-page 前缀） */
.ab-video-wrap{position:relative;background:#000;line-height:0;overflow:hidden;border-radius:6px}
.ab-video-wrap video{width:100%;aspect-ratio:16/9;height:auto;display:block;
  object-fit:contain;background:#000}
/* 自定义关闭按钮 */
.ab-video-close{position:absolute;top:10px;right:10px;z-index:5;width:34px;height:34px;
  border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;
  color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.45);
  backdrop-filter:blur(4px);transition:background .25s,transform .25s;padding:0}
.ab-video-close:hover{background:var(--g);border-color:var(--g);transform:rotate(90deg)}
.ab-video-close svg{width:16px;height:16px}

/* ============================================================
   9. 响应式
   ============================================================ */
@media (max-width:1200px){
  .ab-intro{grid-template-columns:1fr 1.15fr}
  .ab-honor{grid-template-columns:repeat(3,1fr)}
  .ab-why{gap:14px}
  .ab-why-card::after,.ab-why-partner::after{width:48px;height:48px}
}
@media (max-width:992px){
  .ab-intro{grid-template-columns:1fr;gap:26px}
  /* 优势：单列自然排列 */
  .ab-why{grid-template-columns:1fr}
  .ab-why-feat{grid-column:auto;display:flex;flex-direction:column}
  .ab-why-card{grid-column:auto}
  .ab-why-partner{grid-column:auto}
  .ab-why-fimg{margin-top:16px}
  .ab-adv-list{grid-template-columns:1fr;gap:6px}
  .ab-why-card--1 .ab-adv-list,.ab-why-card--2 .ab-adv-list{grid-template-columns:1fr}
  .ab-why-card--1 .ab-why-cimg img{object-fit:contain;object-position:center bottom}
  .ab-why-card--2 .ab-why-cimg img{object-fit:cover;object-position:center top}
  .ab-why-card::after,.ab-why-partner::after{opacity:.32}
  .ab-contact{grid-template-columns:1fr;gap:24px}
  .ab-honor{grid-template-columns:repeat(2,1fr)}
  /* 时间线：轴移到左侧，图上文下单列 */
  .ab-tl::before,.ab-tl::after{left:11.5px;margin-left:-1.5px}
  .ab-tl-item{grid-template-columns:1fr;gap:10px;
    padding:0 0 clamp(18px,2.4vw,26px) 34px}
  .ab-tl-item::before,.ab-tl-item::after{left:11.5px}
  .ab-tl-media{justify-self:stretch;max-width:none}
  .ab-tl-media img{max-height:180px}
  .ab-tl-info{padding-top:0}
}
@media (max-width:768px){
  .ab-hero-in{padding-top:clamp(34px,9vw,56px);padding-bottom:clamp(40px,10vw,64px)}
  .ab-hero-tx{max-width:100%}
  .ab-hero h1{letter-spacing:-1px}
  .ab-wrap{width:calc(100% - 32px)}
  .ab-crumb-in{font-size:12.5px;padding:12px 0}
  .ab-sh h2{font-size:clamp(21px,5.4vw,28px)}
  .ab-quote{font-size:56px}
  .ab-stats{grid-template-columns:1fr 1fr;gap:10px}
  .ab-plogos img{height:24px}
}
@media (max-width:560px){
  .ab-honor{grid-template-columns:1fr}
  .ab-stats{grid-template-columns:1fr}
  .ab-row{grid-template-columns:1fr;gap:0}
  .ab-fc{padding:20px 16px 16px;border-radius:16px}
  .ab-fc::before{left:16px;right:16px}
  .ab-hero-cta{flex-direction:column;align-items:stretch}
  .ab-btn{width:100%}
  .ab-ci-list .ic{width:30px;height:30px}
  .ab-tl-media img{max-height:none}
  .ab-tl-year{font-size:15px}
  .ab-why-callout{flex-direction:column;align-items:flex-start}
  .ab-why-head{flex-wrap:wrap}
}
@media (prefers-reduced-motion:reduce){
  .ab-page *,.ab-page *::before,.ab-page *::after{transition:none!important;animation:none!important}
  .ab-motion .ab-anim,.ab-motion .ab-honor:not(.is-in) .ab-honor-item,
  .ab-motion .ab-stats:not(.is-in) li,.ab-motion .ab-tl:not(.is-in) .ab-tl-item{opacity:1}
  .ab-motion .ab-tl::before{transform:none}
}